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The number of moles of hydroxide ion contained ion 10g of calcium hydroxide,CA(OH)2, is??

The number of moles of hydroxide ion contained ion 10g of calcium hydroxide,CA(OH)2, is??

Grade:10

1 Answers

Aman
44 Points
2 years ago
Formula for moles= weight of compound/atomic weight
So according to the question weight of Ca(OH)2 is 10g 
And atomic weight of Ca(OH)2 is 74 g
Number of moles = 10/74 = 0.135

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